72028904
Apr 25, 1957
Feb 24, 1959
HIGH SPEED TOOL STEEL IN THE FORM OF BILLETS, BARS, DRILL ROD AND TOOL BITS, ALSO SHEETS, PLATES AND CIRCLES STAMPED OR CUT FROM PLATES OR SHEETS FOR USE IN FABRICATING INTO SUCH ARTICLES AS CIRCULAR SAWS, CIRCULAR KNIVES, SLITTING CUTTERS, THIN MILLING CUTTERS, DRILLS TAPS, REAMERS, END MILLS, BROACHES, PUNCHES, AND THE LIKE; AND DISC AND RING FORGINGS FORGED ON A STEAM HAMMER, DROP HAMMER OR PRESS FROM ROLLED OR PREFORGED STOCK, FOR USE IN FABRICATING INTO MILLING CUTTERS, HOBS, BLANKING DIES, DRAWING DIES, AND THE LIKE
Jewelry